/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package org.eclipse.emf.examples.extlibrary.impl;

import java.util.Collection;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;

import org.eclipse.emf.common.util.EList;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.ENotificationImpl;

import org.eclipse.emf.ecore.util.EObjectWithInverseResolvingEList;
import org.eclipse.emf.ecore.util.InternalEList;

import org.eclipse.emf.examples.extlibrary.Borrower;
import org.eclipse.emf.examples.extlibrary.CirculatingItem;
import org.eclipse.emf.examples.extlibrary.EXTLibraryPackage;
import org.eclipse.emf.examples.extlibrary.Lendable;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Circulating Item</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.emf.examples.extlibrary.impl.CirculatingItemImpl#getCopies <em>Copies</em>}</li>
 *   <li>{@link org.eclipse.emf.examples.extlibrary.impl.CirculatingItemImpl#getBorrowers <em>Borrowers</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class CirculatingItemImpl extends ItemImpl implements CirculatingItem {
	/**
	 * The default value of the '{@link #getCopies() <em>Copies</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getCopies()
	 * @generated
	 * @ordered
	 */
	protected static final int COPIES_EDEFAULT = 0;

	/**
	 * The cached value of the '{@link #getCopies() <em>Copies</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getCopies()
	 * @generated
	 * @ordered
	 */
	protected int copies = COPIES_EDEFAULT;

	/**
	 * The cached value of the '{@link #getBorrowers() <em>Borrowers</em>}' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getBorrowers()
	 * @generated
	 * @ordered
	 */
	protected EList<Borrower> borrowers;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected CirculatingItemImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return EXTLibraryPackage.Literals.CIRCULATING_ITEM;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public int getCopies() {
		return copies;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setCopies(int newCopies) {
		int oldCopies = copies;
		copies = newCopies;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, EXTLibraryPackage.CIRCULATING_ITEM__COPIES, oldCopies, copies));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Borrower> getBorrowers() {
		if (borrowers == null) {
			borrowers = new EObjectWithInverseResolvingEList.ManyInverse<Borrower>(Borrower.class, this, EXTLibraryPackage.CIRCULATING_ITEM__BORROWERS, EXTLibraryPackage.BORROWER__BORROWED);
		}
		return borrowers;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case EXTLibraryPackage.CIRCULATING_ITEM__BORROWERS:
				return ((InternalEList<InternalEObject>)(InternalEList<?>)getBorrowers()).basicAdd(otherEnd, msgs);
		}
		return super.eInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case EXTLibraryPackage.CIRCULATING_ITEM__BORROWERS:
				return ((InternalEList<?>)getBorrowers()).basicRemove(otherEnd, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case EXTLibraryPackage.CIRCULATING_ITEM__COPIES:
				return getCopies();
			case EXTLibraryPackage.CIRCULATING_ITEM__BORROWERS:
				return getBorrowers();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case EXTLibraryPackage.CIRCULATING_ITEM__COPIES:
				setCopies((Integer)newValue);
				return;
			case EXTLibraryPackage.CIRCULATING_ITEM__BORROWERS:
				getBorrowers().clear();
				getBorrowers().addAll((Collection<? extends Borrower>)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case EXTLibraryPackage.CIRCULATING_ITEM__COPIES:
				setCopies(COPIES_EDEFAULT);
				return;
			case EXTLibraryPackage.CIRCULATING_ITEM__BORROWERS:
				getBorrowers().clear();
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case EXTLibraryPackage.CIRCULATING_ITEM__COPIES:
				return copies != COPIES_EDEFAULT;
			case EXTLibraryPackage.CIRCULATING_ITEM__BORROWERS:
				return borrowers != null && !borrowers.isEmpty();
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public int eBaseStructuralFeatureID(int derivedFeatureID, Class<?> baseClass) {
		if (baseClass == Lendable.class) {
			switch (derivedFeatureID) {
				case EXTLibraryPackage.CIRCULATING_ITEM__COPIES: return EXTLibraryPackage.LENDABLE__COPIES;
				case EXTLibraryPackage.CIRCULATING_ITEM__BORROWERS: return EXTLibraryPackage.LENDABLE__BORROWERS;
				default: return -1;
			}
		}
		return super.eBaseStructuralFeatureID(derivedFeatureID, baseClass);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public int eDerivedStructuralFeatureID(int baseFeatureID, Class<?> baseClass) {
		if (baseClass == Lendable.class) {
			switch (baseFeatureID) {
				case EXTLibraryPackage.LENDABLE__COPIES: return EXTLibraryPackage.CIRCULATING_ITEM__COPIES;
				case EXTLibraryPackage.LENDABLE__BORROWERS: return EXTLibraryPackage.CIRCULATING_ITEM__BORROWERS;
				default: return -1;
			}
		}
		return super.eDerivedStructuralFeatureID(baseFeatureID, baseClass);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String toString() {
		if (eIsProxy()) return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (copies: "); //$NON-NLS-1$
		result.append(copies);
		result.append(')');
		return result.toString();
	}

} //CirculatingItemImpl
